KVM: Add mini-API for vcpu->requests

Makes it a little more readable and hackable.

Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 13 insertions, 14 deletions

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9be6e4e5e8ee..7ef44107a14a 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -296,7 +296,7 @@ static void kvm_multiple_exception(struct kvm_vcpu *vcpu,
         prev_nr = vcpu->arch.exception.nr;
         if (prev_nr == DF_VECTOR) {
                 /* triple fault -> shutdown */
-                set_bit(KVM_REQ_TRIPLE_FAULT, &vcpu->requests);
+                kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu);
                 return;
         }
         class1 = exception_class(prev_nr);
@@ -948,7 +948,7 @@ static int kvm_request_guest_time_update(struct kvm_vcpu *v)
 
         if (!vcpu->time_page)
                 return 0;
-        set_bit(KVM_REQ_KVMCLOCK_UPDATE, &v->requests);
+        kvm_make_request(KVM_REQ_KVMCLOCK_UPDATE, v);
         return 1;
 }
 
@@ -2253,7 +2253,7 @@ static int kvm_vcpu_ioctl_x86_set_mce(struct kvm_vcpu *vcpu,
                         printk(KERN_DEBUG "kvm: set_mce: "
                                "injects mce exception while "
                                "previous one is in progress!\n");
-                        set_bit(KVM_REQ_TRIPLE_FAULT, &vcpu->requests);
+                        kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu);
                         return 0;
                 }
                 if (banks[1] & MCI_STATUS_VAL)
@@ -4617,7 +4617,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
                 vcpu->run->request_interrupt_window;
 
         if (vcpu->requests)
-                if (test_and_clear_bit(KVM_REQ_MMU_RELOAD, &vcpu->requests))
+                if (kvm_check_request(KVM_REQ_MMU_RELOAD, vcpu))
                         kvm_mmu_unload(vcpu);
 
         r = kvm_mmu_reload(vcpu);
@@ -4625,26 +4625,25 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
                 goto out;
 
         if (vcpu->requests) {
-                if (test_and_clear_bit(KVM_REQ_MIGRATE_TIMER, &vcpu->requests))
+                if (kvm_check_request(KVM_REQ_MIGRATE_TIMER, vcpu))
                         __kvm_migrate_timers(vcpu);
-                if (test_and_clear_bit(KVM_REQ_KVMCLOCK_UPDATE, &vcpu->requests))
+                if (kvm_check_request(KVM_REQ_KVMCLOCK_UPDATE, vcpu))
                         kvm_write_guest_time(vcpu);
-                if (test_and_clear_bit(KVM_REQ_MMU_SYNC, &vcpu->requests))
+                if (kvm_check_request(KVM_REQ_MMU_SYNC, vcpu))
                         kvm_mmu_sync_roots(vcpu);
-                if (test_and_clear_bit(KVM_REQ_TLB_FLUSH, &vcpu->requests))
+                if (kvm_check_request(KVM_REQ_TLB_FLUSH, vcpu))
                         kvm_x86_ops->tlb_flush(vcpu);
-                if (test_and_clear_bit(KVM_REQ_REPORT_TPR_ACCESS,
-                                       &vcpu->requests)) {
+                if (kvm_check_request(KVM_REQ_REPORT_TPR_ACCESS, vcpu)) {
                         vcpu->run->exit_reason = KVM_EXIT_TPR_ACCESS;
                         r = 0;
                         goto out;
                 }
-                if (test_and_clear_bit(KVM_REQ_TRIPLE_FAULT, &vcpu->requests)) {
+                if (kvm_check_request(KVM_REQ_TRIPLE_FAULT, vcpu)) {
                         vcpu->run->exit_reason = KVM_EXIT_SHUTDOWN;
                         r = 0;
                         goto out;
                 }
-                if (test_and_clear_bit(KVM_REQ_DEACTIVATE_FPU, &vcpu->requests)) {
+                if (kvm_check_request(KVM_REQ_DEACTIVATE_FPU, vcpu)) {
                         vcpu->fpu_active = 0;
                         kvm_x86_ops->fpu_deactivate(vcpu);
                 }
@@ -4773,7 +4772,7 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
                         srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx);
                         kvm_vcpu_block(vcpu);
                         vcpu->srcu_idx = srcu_read_lock(&kvm->srcu);
-                        if (test_and_clear_bit(KVM_REQ_UNHALT, &vcpu->requests))
+                        if (kvm_check_request(KVM_REQ_UNHALT, vcpu))
                         {
                                 switch(vcpu->arch.mp_state) {
                                 case KVM_MP_STATE_HALTED:
@@ -5255,7 +5254,7 @@ void kvm_put_guest_fpu(struct kvm_vcpu *vcpu)
         vcpu->guest_fpu_loaded = 0;
         fpu_save_init(&vcpu->arch.guest_fpu);
         ++vcpu->stat.fpu_reload;
-        set_bit(KVM_REQ_DEACTIVATE_FPU, &vcpu->requests);
+        kvm_make_request(KVM_REQ_DEACTIVATE_FPU, vcpu);
         trace_kvm_fpu(0);
 }